Heart|Lab Grown|IGI

1.88ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG799636873

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799636873

Diamond specifications and retailer prices

From £1,450 GBP

$1,943 USD

As of October 31, 2026

Save £1,849 GBP (56%) vs most expensive(unlock to see where)

8 retailers carry this diamond

Most expensive: £3,299 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.88ct lab-grown heart diamond

This 1.88ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799636873 or 799636873. Listed at 8 retailers as of October 30, 2026, with prices from £1,450 to £3,299, a £1,849 spread on the same certified stone. Brilliant Earth lists it at £3,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.8°

Pavilion angle37.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG799636873

Dimensions7.58 × 8.48 × 4.92 mm

L/W Ratio1.12

Girdle conditionFaceted

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG799636873

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31

Current: £3,299 GBP|Low: £804 GBP|High: £6,642 GBP|Avg: £2,913 GBP|-28.2%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

October 30, 2026

Retailer 6£805 GBP

Retailer 7£1,033 GBP

Retailer 2£1,450 GBP

Retailer 10£1,720 GBP

Retailer 3£2,242 GBP

Retailer 4£2,293 GBP

Retailer 12£2,320 GBP

Retailer 8£2,668 GBP

Retailer 11£2,704 GBP

Brilliant Earth£3,299 GBP

Retailer 13£4,368 GBP

Retailer 9£4,881 GBP

Retailer 5£5,260 GBP

15 data points across 13 retailers

8 retailers£1,450 GBP to £3,299 GBP

Retailer 1

£549 GBP

$736 USD

Price last confirmed 19 days ago

Retailer 2

£805 GBP

View

Price last confirmed 18 days ago

Retailer 3

£813 GBP

$1,090 USD

View

Price last confirmed 32 days ago

Retailer 4

£1,033 GBP

$1,384 USD

View

Price last confirmed 18 days ago

B+

Retailer 5

£1,450 GBP

$1,943 USD

View

Retailer 6

£1,978 GBP

$2,650 USD

View

Price last confirmed 20 days ago

Retailer 7

£2,668 GBP

View

Price last confirmed 20 days ago

Most Expensive

Brilliant Earth

21412023Y · Oct 30

£3,299 GBP

$4,420 USD

View

7 more retailers have this diamond

Prices start from £1,450 GBPSave up to £1,849 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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B+

1.88ct Heart

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